Tommee Tippee Natural Start bottles are #1 for easily switching between breast, bottle and back again*. Our soft silicone bottle teats have a built-in anti-colic valve that's proven to reduce air intake*. Our most breast-like bottle, ever. Shaped for comfort, engineered for ease, and designed to suit your feeding routine. - Designed to help reduce nipple confusion and make switching from breast to bottle and back again, easy- 95% of babies accept a Tommee Tippee bottle*- 3-step self-sterilising1. Add 50ml of water (use the dotted line as a guide)2. Rest the assembled lid, ring and teat on top (but don't fasten)3. Microwave for 3 minutes- Leak proof with the lid on (even when upside down)- Always BPA, BPS and Phthalate free*To verify, please visit the Amazon product page

• Natural latch: Made from soft silicone, Tommee Tippee teats are shaped like a breast to encourage a natural latch and help to prevent nipple confusion when switching between breast and bottle feeding
• Built-in anti-colic valve: Tommee Tippee Natural Start teats have an anti-colic valve that's proven to reduce air ingestion*
• Paced feeding: Each soft silicone baby bottle teat flexes and stretches like a breast to help your baby feed comfortably at their own pace
• Simple self-sterilising: The quickest and easiest self-sterilising bottle on the market*, a Tommee Tippee Natural Start baby bottle can be easily self-sterilised in the microwave in just 3 minutes
• Spill, mess and leakproof: When the screw ring, teat and cap are all secured, this Natural Start baby bottle is completely leakproof, even if it's turned upside down, shaken or dropped